/*
 * Copyright (C) 2025 The pgmoneta community
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list
 * of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this
 * list of conditions and the following disclaimer in the documentation and/or other
 * materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may
 * be used to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

 #include <utils.h>
 #include <wal.h>
 #include <walfile/rm.h>
 #include <walfile/rm_relmap.h>

char*
pgmoneta_wal_relmap_desc(char* buf, struct decoded_xlog_record* record)
{
   char* rec = XLOG_REC_GET_DATA(record);
   uint8_t info = XLOG_REC_GET_INFO(record) & ~XLR_INFO_MASK;
   char* dbname = NULL;
   char* spcname = NULL;

   if (info == XLOG_RELMAP_UPDATE)
   {
      struct xl_relmap_update* xlrec = (struct xl_relmap_update*) rec;

      if (pgmoneta_get_database_name(xlrec->db_id, &dbname))
      {
         goto error;
      }

      if (pgmoneta_get_tablespace_name(xlrec->ts_id, &spcname))
      {
         goto error;
      }

      buf = pgmoneta_format_and_append(buf, "database %s tablespace %s size %u",
                                       dbname, spcname, xlrec->nbytes);

   }

   free(dbname);
   free(spcname);
   return buf;

error:
   free(dbname);
   free(spcname);

   return NULL;
}
